Подготовить HY2XS к production-сборке

tools/build/lib/common.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+log_info() {
+  printf '[hy2xs-build] %s\n' "$*"
+}
+
+log_step() {
+  printf '\n[hy2xs-build] ==> %s\n' "$*"
+}
+
+fail() {
+  printf '[hy2xs-build] ERROR: %s\n' "$*" >&2
+  exit 1
+}
+
+require_tool() {
+  local tool="$1"
+  command -v "$tool" >/dev/null 2>&1 || fail "required tool not found: $tool"
+}
+
+version_ge() {
+  [ "$(printf '%s\n%s\n' "$2" "$1" | sort -V | head -n 1)" = "$2" ]
+}
+
+copy_dir_contents() {
+  local src="$1"
+  local dst="$2"
+
+  mkdir -p "$dst"
+  if [ -d "$src" ]; then
+    cp -a "$src"/. "$dst"/
+  else
+    fail "directory not found: $src"
+  fi
+}
+
+download_file() {
+  local url="$1"
+  local dst="$2"
+
+  if command -v curl >/dev/null 2>&1; then
+    curl -fsSL "$url" -o "$dst"
+  elif command -v wget >/dev/null 2>&1; then
+    wget -qO "$dst" "$url"
+  else
+    fail "curl or wget is required to download $url"
+  fi
+}